81 lines
2.9 KiB
Python
81 lines
2.9 KiB
Python
# -*- coding: utf-8 -*-
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##############################################################################
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#
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# OpenERP, Open Source Management Solution
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# Copyright (C) 2004-2011 OpenERP SA (<http://www.openerp.com>)
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as
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# published by the Free Software Foundation, either version 3 of the
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# License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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##############################################################################
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""" Cron jobs scheduling
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Cron jobs are defined in the ir_cron table/model. This module deals with all
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cron jobs, for all databases of a single OpenERP server instance.
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"""
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import logging
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import threading
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import time
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from datetime import datetime
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import openerp
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_logger = logging.getLogger(__name__)
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SLEEP_INTERVAL = 60 # 1 min
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def cron_runner(number):
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while True:
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time.sleep(SLEEP_INTERVAL + number) # Steve Reich timing style
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registries = openerp.modules.registry.RegistryManager.registries
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_logger.debug('cron%d polling for jobs', number)
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for db_name, registry in registries.items():
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while True and registry.ready:
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# acquired = openerp.addons.base.ir.ir_cron.ir_cron._acquire_job(db_name)
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# TODO why isnt openerp.addons.base defined ?
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import sys
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base = sys.modules['addons.base']
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acquired = base.ir.ir_cron.ir_cron._acquire_job(db_name)
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if not acquired:
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break
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def start_service():
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""" Start the above runner function in a daemon thread.
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The thread is a typical daemon thread: it will never quit and must be
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terminated when the main process exits - with no consequence (the processing
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threads it spawns are not marked daemon).
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"""
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# Force call to strptime just before starting the cron thread
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# to prevent time.strptime AttributeError within the thread.
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# See: http://bugs.python.org/issue7980
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datetime.strptime('2012-01-01', '%Y-%m-%d')
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for i in range(openerp.tools.config['max_cron_threads']):
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def target():
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cron_runner(i)
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t = threading.Thread(target=target, name="openerp.service.cron.cron%d" % i)
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t.setDaemon(True)
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t.start()
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_logger.debug("cron%d started!" % i)
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def stop_service():
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pass
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# vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4:
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